Push button switch



FIG. 1 is a perspective view of a push button switch depicting my invention;

FIG. 2 is a side elevational view taken toward the right side of FIG. 1, the left side elevational being identical;

FIG. 3 is an end elevational view taken toward the left end in FIG. 1, the right end elevational view being identical;

FIG. 4 is a bottom plan view of a push button switch depicting my invention;

FIG. 5 is a top plan view of a preferred embodiment of a push button switch depicting my invention; and,

FIG. 6 is a top plan view of a push button switch depicting a second embodiment of my invention. All other views are the same as to first embodiment except for the top surface of the button. 

The ornamental design for a push button switch, as shown and described. 